Home / 793,736.58-1,190,768.90-261,289.56

Finding the Fourth Proportional to 793,736.58, 1,190,768.90 and 261,289.56

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Solution

The fourth proportional to 793,736.58, 1,190,768.90 and 261,289.56 is: 391,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,736.58 : 1,190,768.90 = 261,289.56 : x
  2. Step 2: Convert to fraction form
    793,736.58/1,190,768.90 = 261,289.56/x
  3. Step 3: Cross multiply
    793,736.58x = 1,190,768.90 × 261,289.56
  4. Step 4: Simplify right side
    793,736.58x = 311,135,480,636.24
  5. Step 5: Solve for x
    x = 311,135,480,636.24/793,736.58
  6. Step 6: Final answer
    x = 391,988.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.